correct doc for Series.median (#778)

Author: Rubtsowa

sdc/datatypes/hpat_pandas_series_functions.py

@@ -4562,7 +4562,8 @@ def hpat_pandas_series_median(self, axis=None, skipna=None, level=None, numeric_
 
     Limitations
     -----------
-    - Parameters ``axis``, ``level`` and ``numeric_only`` are currently unsupported by Intel Scalable Dataframe Compiler
+
+    - Parameters ``axis``, ``level`` and ``numeric_only`` are supported only with default value ``None``.
 
     Examples
     --------
@@ -4575,6 +4576,10 @@ def hpat_pandas_series_median(self, axis=None, skipna=None, level=None, numeric_
     .. command-output:: python ./series/series_median.py
        :cwd: ../../../examples
 
+    .. seealso::
+        :ref:`DataFrame.median <pandas.DataFrame.median>`
+            Return the median of the values for the columns.
+
     Intel Scalable Dataframe Compiler Developer Guide
     *************************************************
     Pandas Series method :meth:`pandas.Series.median` implementation.